Use RC release

Author: mattbrailsford

Directory.Packages.props

@@ -10,7 +10,7 @@
     <GlobalPackageReference Include="Umbraco.GitVersioning.Extensions" Version="0.2.0" />
   </ItemGroup>
   <ItemGroup>
-    <PackageVersion Include="Umbraco.Commerce.Cms.Startup" Version="[13.1.0--rc1, 14)" />
+    <PackageVersion Include="Umbraco.Commerce.Cms.Startup" Version="[13.1.0-rc1, 14)" />
     <PackageVersion Include="Umbraco.Deploy.Infrastructure" Version="[13.0.0, 14)" />
   </ItemGroup>
 </Project>